220845625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 371581056

約数和(自身を除く): 150735431

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 175, 275, 325, 353, 385, 455, 625, 715, 875, 1001, 1375, 1625, 1765, 1925, 2275, 2471, 3575, 3883, 4375, 4589, 5005, 6875, 8125, 8825, 9625, 11375, 12355, 17875, 19415, 22945, 25025, 27181, 32123, 44125, 48125, 50479, 56875, 61775, 89375, 97075, 114725, 125125, 135905, 160615, 220625, 252395, 308875, 353353, 485375, 573625, 625625, 679525, 803075, 1261975, 1544375, 1766765, 2426875, 2868125, 3397625, 4015375, 6309875, 8833825, 16988125, 20076875, 31549375, 44169125, 220845625]

約数ペア:

[(1, 220845625), (5, 44169125), (7, 31549375), (11, 20076875), (13, 16988125), (25, 8833825), (35, 6309875), (55, 4015375), (65, 3397625), (77, 2868125), (91, 2426875), (125, 1766765), (143, 1544375), (175, 1261975), (275, 803075), (325, 679525), (353, 625625), (385, 573625), (455, 485375), (625, 353353), (715, 308875), (875, 252395), (1001, 220625), (1375, 160615), (1625, 135905), (1765, 125125), (1925, 114725), (2275, 97075), (2471, 89375), (3575, 61775), (3883, 56875), (4375, 50479), (4589, 48125), (5005, 44125), (6875, 32123), (8125, 27181), (8825, 25025), (9625, 22945), (11375, 19415), (12355, 17875)]